Time Series Plot of Covid-19 Cases for each County in California

Instructions:
1. To highlight one or more county, you can select in the search box below. You can use backspace to delete one or more counties have been selected.
2. To select a few counties, you can double-click the county on the right side to select the first county, then you can click other counties you want. You can double-click unselected counties to remove all selections.
3. To toggle all counties, you can click the "Hide Cases" button. And if you want to add some counties to the plot, you can select in the search box. You can click the button again to show all counties when there is no county shown in the plot.

Click the button to toggle the cases.